I have a routine for when I get home from work: Crack each toe, then my ankles, both knees, pelvic bone (a particularly good one), twist-crack my lower back, both shoulders, my wrists, then each and ...

If snap, crackle, and pop aren’t just sounds coming from your breakfast cereal, you may have wondered if these cracking noises you hear from your joints (ankles, shoulders, or knees) are normal.